to sweat, usually under extremely hot circumstances
man! I'm grillin'!
the act of staring one down, mainly directly in the eyes. not neccessarily bad or good. usually if you grill the opposite sex, it implies an interest in them, and if heterosexuals grill the same gender, it usually means they dont like them, are testing them, and wouldnt mind smacking the sh-t outa them.
good: "hey buck, that girl is GRILLIN you HARDCORE, go talk to her"
bad: "if that punk dont stop grillin, im'a see if he got a problem"
To stare someone down with dislike/hatred.
A yo, why's this cat grillin' me dawg?
The act of looking at someone with a angry or serious face to say something is wrong or that you did something wrong.
Hey look at that girl grillin you because you didn't call her last night.
To be grillin'. To be high, generally on psychedelic mushrooms.
Man, i'm grillin. I've been grillin for three hours now, that was some good sh*t
The act of a smile or grin showing gold teeth.
"Yo man lil jon was grillin at the concert last night cuh"